Mastering Azuga
★ Fleet GPS Trackers · Azuga Guide
The Azuga tracker for trucks with 6 pin and 9 pin diagnostic ports: how it connects, the PTO variant, and the gaps in what Azuga publishes.
The JBus tracker is Azuga's answer to a simple problem: a heavy truck does not have the same diagnostic port as a van. Azuga's install guide calls it the "JBus device" or "JBus Plug'n'Play." It does the same job as the plug-in OBD-II tracker, which is location, trip history and driver behavior, but it has a way to connect to the round 6 pin and 9 pin ports found on heavy-duty trucks.
Azuga does not publish a consumer product name or a model-by-model spec sheet for it. When Azuga's pages are not specific, we say so here instead of filling in the blanks.
| Port on the truck | What Azuga documents |
|---|---|
| 16 pin OBD port | Plug the device in directly, or use an extension cable if the port is deep or covered. |
| 6 pin heavy-duty port | Connect through a cable made for that port. |
| 9 pin heavy-duty port | Connect through a cable made for that port. The shop lists several 9 pin versions. |
| Port already in use | Azuga says to use a Y-cable so the existing device and the Azuga device share the port. |
Azuga's own blog says heavy-duty trucks typically use a 9 pin SAE J1939 connector. The shop lists the matching extender cables, and we break them down on the JBus cables page. One gap: the guide does not say whether an existing device must come out of an occupied 6 pin or 9 pin port before the Azuga cable goes on.
Azuga has a separate install guide for PTO monitoring. It names the device as "JBUS PTO OBDII," SKU DCM970-21ZB72, and says it supports the 6 pin port and both 9 pin types, Type 1 and Type 2. Three conditions come with it:
A sensor cable for PTO monitoring is sold in the shop as well, and you can read about it on the extension cables page.
The registration steps we have in hand are written for the plug-in OBD-II tracker. Ask Azuga to confirm the JBus unit follows the same path in your account.
Straight trucks and tractors that use a 6 pin or 9 pin diagnostic port, where the fleet wants tracking and driver scoring without cutting into the wiring.
Mixed fleets where nobody has checked which port each truck has. Order cables only after someone has looked at the actual connector, and ask Azuga which device and adapter goes on which truck.
ServiceTitan Fleet Pro uses Azuga as its hardware provider, and its JBus page says frequent disconnects usually trace back to a loose or damaged connection. It also says a new device can take 15 to 30 minutes to register, that the ignition must be on, and that the hardware model has to be approved for the account. Those are good habits on any truck.
Sources: Azuga JBus install guide, Azuga PTO install guide, Azuga blog, Aug 4, 2026, Azuga Bridgestone partner page, ServiceTitan Fleet Pro JBus page. AZUGA is a trademark of its owner. API Signal is an independent installer and is not Azuga.
Azuga sells JBus cables made for trucks with 6 pin and 9 pin diagnostic ports, which tells us heavy-duty use is intended. No Azuga page we read says in plain words that the standard tracker works on every Class 8 truck, so confirm the exact device and cable with Azuga for your trucks before you order.
The plug-in OBD-II tracker is built for the 16 pin port in cars, vans and light trucks. The JBus version is the one Azuga documents for heavy-duty trucks, with cable options for the 6 pin and 9 pin ports.
Azuga has a PTO (power take-off) install guide that lists a "JBUS PTO OBDII" device, SKU DCM970-21ZB72, for 6 pin and both types of 9 pin port. It needs the right firmware, a configuration name that ends in _4, and the PTO package turned on in the account.
No Azuga page we read mentions a speaker or beeps for it. That is silence in the documents, not a statement that it has no sound.
Tell us how many vehicles and what they are. We'll quote the installation.
Constant. Ignition. Ground. API Signal.Disclosure: API Signal may receive a referral fee from Azuga when a fleet signs up with Azuga through us. It does not change what we tell you on these pages, including the places where Azuga is not the best fit.